Which of the Following Statements Most Accurately Describes the Composition

Which of the following statements most accurately describes the composition of most foods?

A) They contain only one of the three energy nutrients,although a few contain all of them
B) They contain equal amounts of the three energy nutrients,except for high-fat foods
C) They contain mixtures of the three energy nutrients,although only one or two may predominate
D) They contain only two of the three energy nutrients,although there are numerous other foods that contain only one